Finding the Fourth Proportional to 143,238,504.18, 214,836,169.86 and 91,782,683.12
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Solution
The fourth proportional to 143,238,504.18, 214,836,169.86 and 91,782,683.12 is: 137,660,192.79
Step by Step Solution
- Step 1: Write the proportion equation
143,238,504.18 : 214,836,169.86 = 91,782,683.12 : x - Step 2: Convert to fraction form
143,238,504.18/214,836,169.86 = 91,782,683.12/x - Step 3: Cross multiply
143,238,504.18x = 214,836,169.86 × 91,782,683.12 - Step 4: Simplify right side
143,238,504.18x = 19,718,240,100,974,876 - Step 5: Solve for x
x = 19,718,240,100,974,876/143,238,504.18 - Step 6: Final answer
x = 137,660,192.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.